import axios from 'axios'
import router from '@/router/routers'
import { Notification, MessageBox } from 'element-ui'
import store from '../store'
import { getToken } from '@/utils/auth'
import Config from '@/settings'

let loginExpired = false
// 创建axios实例
const service = axios.create({
  baseURL: process.env.NODE_ENV === 'production' ? window.hcdp.baseUrl : '/', // api 的 base_url
  timeout: Config.timeout
})

const interceptorsReq = [
  function(config) {
    if (getToken()) {
      config.headers['Authorization'] = getToken()
    }
    config.headers['Content-Type'] = 'application/json'
    return config
  },
  function(error) {
    console.log(error)
    return Promise.reject(error)
  }
]

const interceptorsRes = [
  function(response) {
    const code = response.status
    if (code < 200 || code > 300) {
      Notification.error({
        title: response.message
      })
      return Promise.reject('error')
    } else {
      return response.data
    }
  },
  function(error) {
    let code = 0
    try {
      code = error.response.data.status || error.response.status
    } catch (e) {
      if (error.toString().indexOf('Error: timeout') !== -1) {
        Notification.error({
          title: '网络请求超时',
          duration: 5000
        })
        return Promise.reject(error)
      }
    }
    if (code) {
      if (code === 401) {
        if (loginExpired) {
          return
        }
        loginExpired = true
        store.dispatch('LogOut').then(() => {
          MessageBox.confirm(
            '登录状态已过期，您可以继续留在该页面，或者重新登录',
            '系统提示',
            {
              confirmButtonText: '重新登录',
              cancelButtonText: '取消',
              type: 'warning'
            }
          ).then(() => {
            loginExpired = false
            location.reload()
          }).catch(() => {
            loginExpired = false
          })
        })
      } else if (code === 403) {
        router.push({ path: '/401' })
      } else {
        const errorMsg = error.response.data.message
        if (errorMsg !== undefined) {
          Notification.error({
            title: '错误',
            duration: 5000,
            customClass: 'break-all-text',
            message: errorMsg
          })
        }
      }
    } else {
      Notification.error({
        title: '接口请求失败',
        duration: 5000
      })
    }
    return Promise.reject(error)
  }

]

service.interceptors.request.use(...interceptorsReq)
service.interceptors.response.use(...interceptorsRes)

export default service
